<template>
  <!-- <div class="base-dialog-wrap" v-show="flag"> -->
  <!-- <div class="base-dialog-wrap" v-show="value"> -->
  <div class="base-dialog-wrap" v-show="a">
    <div class="base-dialog">
      <div class="title">
        <h3>温馨提示：{{count}}</h3>
        <button class="close" @click="close">x</button>
      </div>
      <div class="content">
        <p>你确认要退出本系统么？</p>
      </div>
      <div class="footer">
        <button>确认</button>
        <button>取消</button>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    // flag: Boolean
    // value: Boolean
    a: Boolean,
    count: Number
  },
  methods: {
    close() {
      // this.flag = false
      // 因为vue的组件是 单向数据流，props只能使用，不能修改，如果要修改，就通知父组件，让父组件自己去改
      // this.$emit('close_event')
      // this.$emit('input')
      this.$emit('update:a', false)
      this.$emit('update:count', this.count+1)
    }
  }
  // data() {
  //   return {
  //     flag: true
  //   }
  // }
}
</script>

<style scoped>
.base-dialog-wrap {
  width: 300px;
  height: 200px;
  box-shadow: 2px 2px 2px 2px #ccc;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0 10px;
}
.base-dialog .title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #000;
}
.base-dialog .content {
  margin-top: 38px;
}
.base-dialog .title .close {
  width: 20px;
  height: 20px;
  cursor: pointer;
  line-height: 10px;
}
.footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 26px;
}
.footer button {
  width: 80px;
  height: 40px;
}
.footer button:nth-child(1) {
  margin-right: 10px;
  cursor: pointer;
}
</style>